. Bulletin of the Geological Society of America. Geology. 564 F. G. CLAPP CLASSIFICATrON OF PETROLEUM AND GAS FIELDS. EXPLANATIONS ⢠Oil Well ^ Gas Well 4- Dry Hole â-â^900-â Structure Contour Lines, shewing Elevation of Washington Coal-Bed above Tide I H M H 0 1 2 3 4 I I I I I M^^^âIII ⢠^^^ââ I I Scale of Miles Figure 3.âGeological Stnictiue of a Portion of the Volcano Anticline in Wood, Ritchie, Wirt, and Pleasants Counties, West Virginia Showing type of fields of Subclass II (a), bounded on both sides by unproductive sub- aclinal structure of Class I. Contour interval, 100 feet. (After
. Bulletin of the Geological Society of America. Geology. 564 F. G. CLAPP CLASSIFICATrON OF PETROLEUM AND GAS FIELDS. EXPLANATIONS ⢠Oil Well ^ Gas Well 4- Dry Hole â-â^900-â Structure Contour Lines, shewing Elevation of Washington Coal-Bed above Tide I H M H 0 1 2 3 4 I I I I I M^^^âIII ⢠^^^ââ I I Scale of Miles Figure 3.âGeological Stnictiue of a Portion of the Volcano Anticline in Wood, Ritchie, Wirt, and Pleasants Counties, West Virginia Showing type of fields of Subclass II (a), bounded on both sides by unproductive sub- aclinal structure of Class I. Contour interval, 100 feet. (After I. C. White, G. P. Grimsley, and Koy V. Hennen : County reports and maps of Pleasants, Wood, and Ritchie counties, West Virginia Geological Survey, 1910.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York : The Society]
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890
